﻿body {
    width:100%;
}
.nav{
     width:800px;
     margin:200px auto;
     font-size:25px;
     line-height:50px;
}
.TestGroup{
     margin-bottom:30px;
}
.classTitle{
     color:gray;
     font-size:20px;
     padding:10px;
     border-bottom:1px solid #cfcece;
     margin-bottom:20px;
}
.chart {
    width: 600px;
    height: 400px;
    float: left;
}
